291257980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{86171}}^1$

素因数の和:86206

約数の個数: 36

約数和(自身を含む): 662317992

約数和(自身を除く): 371060012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 86171, 172342, 344684, 430855, 861710, 1120223, 1723420, 2240446, 4480892, 5601115, 11202230, 14562899, 22404460, 29125798, 58251596, 72814495, 145628990, 291257980]

約数ペア:

[(1, 291257980), (2, 145628990), (4, 72814495), (5, 58251596), (10, 29125798), (13, 22404460), (20, 14562899), (26, 11202230), (52, 5601115), (65, 4480892), (130, 2240446), (169, 1723420), (260, 1120223), (338, 861710), (676, 430855), (845, 344684), (1690, 172342), (3380, 86171)]